@article{DAN_1994_336_3_a3, author = {A. S. Shmelev}, title = {Some properties of symplectic and {hyper-K\"ahlerian} structures}, journal = {Doklady Akademii Nauk}, pages = {304--306}, publisher = {mathdoc}, volume = {336}, number = {3}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1994_336_3_a3/} }